<template>
  <div class="outer">
    <!-- 三级分类导航 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑导航-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <span href="#">全部结果</span>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类面包屑 -->
            <li class="with-x" v-show="searchParams.categoryName">
              {{ searchParams.categoryName }}
              <i @click="removeCategory">×</i>
            </li>
            <!-- 关键词面包屑 -->
            <li class="with-x" v-show="searchParams.keyword">
              {{ searchParams.keyword }}
              <i @click="removeKeyword">×</i>
            </li>
            <!-- 品牌面包屑 -->
            <li class="with-x" v-show="searchParams.trademark">
              {{ fmlTrademark }}
              <i @click="removeTrademark">×</i>
            </li>
			<!-- 属性面包屑 -->
            <li class="with-x" v-for="(prop,index) in searchParams.props" :key="index">
             {{prop | propFlt}}   
              <i @click="removeProp">×</i>
            </li>
          </ul>
        </div>
         <!-- 页面为空展示 -->
        <!-- <div class="total" v-show="!total">
            <img src="https://static.360buyimg.com/devfe/error-new/1.0.0/css/i/error_06.png" alt="">  
            <h2>您搜索的商品没有了,请重新搜索</h2>
        </div> -->
        <!-- 搜索器 -->
        <SearchSelector @get-trademark="saveTrademark"  @get-prop="saveProp"/>

        <!--商品展示区-->
        <div class="details clearfix">
          <!-- 列表操作区 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:!isPrice}" @click="changeOrder(1)">
                  <a >
                    综合
                  <span v-show="!isPrice" class="iconfont" :class="iconName"></span>
                  </a>
                </li>
                <li :class="{active:isPrice}" @click="changeOrder(2)">
                  <a>
                    价格
                  <span v-show="isPrice" class="iconfont " :class="iconName"></span>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <a href="item.html" target="_blank"
                      ><img :src="good.defaultImg"
                    /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" v-html="good.title" />
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters } from "vuex";
import SearchSelector from "./SearchSelector";
export default {
  name: "Search",
  components: { SearchSelector },
  data() {
    return {
      //searchParams中承装着：所有搜索需要的参数
      searchParams: {
        category1Id: "", //一级分类编号
        category2Id: "", //二级分类编号
        category3Id: "", //三级分类编号
        categoryName: "", //分类名
        keyword: "", //关键词
        props: [], //属性值
        trademark: "", //商品类型
        order: "1:desc", //上降序高亮
        pageNo: 1, //页码
        pageSize: 5, //每页数量（页大小）
      },
    };
  },
  methods: {
    //  删除分类面包屑
    removeCategory() {
      // 结构赋值路径中的keyword
      let { keyword } = this.$route.query;
      console.log(keyword);
      //改变路径、让分类名从面包屑中消失、重新请求数据、重新构建商品列表
      this.$router.push({
        path: "/search",
        query: { keyword },
      });
    },
    // 删除关键字面包屑
    removeKeyword() {
      //  结构赋值query
      let { query } = this.$route;
      //改变路径、让关键词从面包屑中消失、重新请求数据、重新构建商品列表
      this.$router.push({
        path: "/search",
        query: {
          ...query,
          keyword: undefined,
        },
      });
      this.$bus.$emit("clear-keyword");
    },
    //保存接受到的数据展示面包屑
    saveTrademark(trademark) {
      //解构赋值，读取品牌的编号、名字
      let { tmId, tmName } = trademark;
      //整理好格式，存入searchParams中的trademark
      this.searchParams.trademark = `${tmId}:${tmName}`;
      //携带着整理好的参数——searchParams，去见服务器
      this.$store.dispatch("getSearchInfo", this.searchParams);
    },
    // 删除品牌面包屑
    removeTrademark() {
      this.searchParams.trademark = undefined;
      //携带着整理好的参数——searchParams，去见服务器
      this.$store.dispatch("getSearchInfo", this.searchParams);
    },
    saveProp(prop){
      //去searchParams.props中查找当前得到的prop
      let result = this.searchParams.props.find( item => item === prop)
      //如果该属性没有添加过，那么：添它！搜它！
      if(!result){
        //存储到searchParams中
        this.searchParams.props.push(prop)
        //携带着整理好的参数——searchParams，去见服务器
    this.$store.dispatch("getSearchInfo", this.searchParams);
      }
    },
    //移出某个prop
    removeProp(index){
      //根据index移出
      this.searchParams.props.splice(index,1)
        //携带着整理好的参数——searchParams，去见服务器
    this.$store.dispatch("getSearchInfo", this.searchParams);
    },
    // 点击事件对数据进行高亮及排序
    changeOrder(type){
      //获取之前的排序方式
       let [oldType,oldFlag]=this.searchParams.order.split(':')
        // 判断点击的元素
        if(type===oldType*1){
         //和之前的排序类型一致
        let newFlag = oldFlag === 'asc' ? 'desc' : 'asc';
        // 对参数进行收集
          this.searchParams.order = `${oldType}:${newFlag}`
        }else{
           //和之前的排序类型不一致，type直接是最新的，flag直接使用desc
                this.searchParams.order = `${type}:desc`
        }
        this.$store.dispatch('getSearchInfo',this.searchParams)
    }
  },
  computed: {
    ...mapGetters(["goodsList"]),
    fmlTrademark() {
		const {trademark} = this.searchParams
	    return trademark ? trademark.split(':')[1] : undefined

    },
    // 判断type是否为2(字符串)
    isPrice(){
      return this.searchParams.order.split(':')[0]==='2'
    },
    //根据flag对箭头的判断
    iconName(){
      return  this.searchParams.order.split(':')[1]==='asc'? 'icon-up':'icon-down'
    }
  },
  watch: {
    //监视路由变化如果路由发生变化就更改路径发送请求
    $route: {
      immediate: true,
      async handler(value) {
        const { query } = value;
        Object.assign(
          this.searchParams,
          {
            category1Id: undefined, //一级分类编号
            category2Id: undefined, //二级分类编号
            category3Id: undefined, //三级分类编号
            categoryName: undefined, //分类名
            keyword: undefined,
          },
          query
        );
        //调用dispatch发送请求获取数据
        this.$store.dispatch("getSearchInfo", query);
      },
    },
  },
   filters:{		
        propFlt(str){			
       		return str.split(':')[2] + '：' + str.split(':')[1]		
        }	
    }
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }
    .total{
      text-align: center;
      h2{
        color: rgb(204, 201, 211);
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: 5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>